Command console is crashing if any system user name contains accented character

[imincik1]

Command console is crashing if any user account in system contains accented character (for example "Ľudka").

GRASS Version: 7.0.0beta OS version: Windows 8

To reproduce, try to create user "Ľudka" in you operating system, launch GRASS and try to run some command (for example: d.rast map= ...) by typing it in Command console.

Traceback: Traceback (most recent call last):

File "C:\Program Files (x86)\GRASS GIS

7.0.0beta2\etc\gui\wxpython\gui_core\prompt.py", line 262, in OnItemSelected

self.cmdDesc = gtask.parse_interface(GetRealCmd(cmd))

File "C:\Program Files (x86)\GRASS GIS

7.0.0beta2\etc\python\grass\script\task.py", line 505, in parse_interface

tree = etree.fromstring(get_interface_description(name))

File "C:\Program Files (x86)\GRASS GIS

7.0.0beta2\etc\python\grass\script\task.py", line 465, in get_interface_description

stderr = PIPE)

File "C:\Program Files (x86)\GRASS GIS

7.0.0beta2\etc\python\grass\script\core.py", line 55, in init

fcmd = get_real_command(args[0])

File "C:\Program Files (x86)\GRASS GIS

7.0.0beta2\etc\python\grass\script\core.py", line 261, in get_real_command

full_path = shutil_which(cmd + '.py')

File "C:\Program Files (x86)\GRASS GIS

7.0.0beta2\etc\python\grass\script\core.py", line 223, in shutil_which

name = os.path.join(dir, thefile)

File "C:\Program Files (x86)\GRASS GIS

7.0.0beta2\Python27\lib\ntpath.py", line 108, in join

path += "
" + b UnicodeDecodeError : 'ascii' codec can't decode byte 0xbc in position 9: ordinal not in range(128)